TDS, Total dissolved solids (TDS) is measured as a volume of water with the unit milligrams per liter
Answer:
TRUE
Explanation:
When cells divide, they make new cells. A single cell divides to make two cells and these two cells then divide to make four cells, and so on. We call this process "cell division" and "cell reproduction," because new cells are formed when old cells divide
<span>1) maintenance of body homeostasis by regulation and coordination of all organ systems.
2) Acts as the sensor and control center for many systems
3) provides communication between the control center sensors and effectors.
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They should be carbohydrates, fats (lipids) and protein. they are labelled as primary food substances and they're essential to life. they can provide energy and raw material for life processing. although mineral ions and vitamin are important too, but they only need a small amount.